but this problem is not in 2013 and downer versions
answer:y = round(x,3)
why roundn not work?
@arsenic 陈: roundn is a toolbox function. Cody only supports functions in basic MATLAB.
Back to basics 14 - Keywords
Sum of series I
find the surface area of a cube
Draw a 'N'!
Matlab Basics - Convert a row vector to a column vector
Matlab Basics II - Determine if an array has a 3rd dimension
Matlab Basics II - Velocity of a particle
Matlab Basics - Absolute Value
Replace every 3rd element in a vector with 4
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